

ECLARO
Senior Systems Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Systems Developer in New York, NY, with a contract length of "unknown" and a pay rate of "unknown." Key skills include C#, SQL, API development, and ETL. Requires 3+ years of experience in relevant technologies.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
Unknown
-
ποΈ - Date
October 7, 2025
π - Duration
Unknown
-
ποΈ - Location
On-site
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
New York, NY
-
π§ - Skills detailed
#REST (Representational State Transfer) #API (Application Programming Interface) #SQL (Structured Query Language) #Business Analysis #Data Transformations #C# #Security #JSON (JavaScript Object Notation) #XML (eXtensible Markup Language) #MS SQL (Microsoft SQL Server) #SQL Server #Data Mapping #Deployment #.Net #SQL Queries #Compliance #"ETL (Extract #Transform #Load)" #GitHub #Web Services #Batch #Debugging #Programming
Role description
Job Number: 25-05281
Want to be part of the Energy Industry? ECLARO is looking for a Senior Systems Developer for our client in New York, NY.
ECLARO's client operates one of the world's largest energy delivery systems, constantly at the forefront of innovations in developing technology. If youβre up to the challenge, then take a chance at this rewarding opportunity!
Position Overview:
β’ The IT Business Systems Delivery (BSD) Customer Engagement department supports, manages and implements a portfolio of IT system capital initiatives with our Energy Management business partners. This IT team supports each initiative from conception to implementation and provides the necessary IT support required to either enhance existing systems, create or enhance interfaces and or design, develop, test and implement new applications.
β’ The Customer Engagement Capital Portfolio Team is looking for a senior backend developer with strong communications skills, to work with our existing IT delivery team to design, document, develop, test and implement key functional enhancements based on business requirements from our product owners and regulators.
β’ The ideal consultant has strong communication and problem-solving skills, can help foster relationships, facilitate and coordinate standard project operations and support and drive excellence.
Responsibilities:
β’ Develop data transformations using C# with inputs / outputs to JSON, XML, CSV, and fixed-width.
β’ Designing and developing C# APIs: Create APIs or use third-party APIs to manage data between back end systems.
β’ Creating and consuming C# API calls with JSON, and XML formatted payloads.
β’ Creation and execution of C# based batch processes.
β’ SQL Programming, DDL and DML including creation of complex MS SQL Stored Procedures.
β’ Designing, developing, and maintaining C# console applications.
β’ Itron Temetra (System Integration) is a big plus.
β’ Enterprise use of GitHub (e.g. Pull Requests).
β’ Technical writing, producing technical specifications, which include data mapping (e.g. ETLs).
β’ Testing and fixing bugs or other coding issues: Responsible for routine testing and debugging in back-end processes.
β’ Stay current with technological developments and trends in the fields.
β’ Collaborating with cross-functional teams: will work with other team members such as UX designers, business analysts, and project managers, to ensure the project meets the desired goals.
β’ Implementing security and data protection solutions: will ensure the secure handling of sensitive information and implement necessary security measures. Comply to corporate best practices.
β’ Documenting development processes, including commenting code and keeping user manuals up-to-date: This helps future developers understand the project history and the reasoning behind certain coding decisions.
β’ Design, develop and modify process to deploy code from one environment to another.
β’ Execute, plan, document and coordinate code deployment and system cutover to production.
Required Skills:
β’ All below require senior level proficiency:
β’ Creation and consuming API calls using CSharp with JSON, and XML formatted payloads.
β’ Deriving CSharp data transformations with inputs / outputs to JSON, XML, CSV, and fixed-width.
β’ Creation and execution of C# based batch processes.
β’ SQL Programming, DDL and DML including creation of complex MS SQL Stored Procedures.
β’ Understanding of MS SQL Server Architecture.
β’ Itron Temetra (System Integration) is a big plus.
β’ Enterprise use of GitHub (e.g. Pull Requests).
β’ Technical writing producing technical specifications, which cover data mapping (e.g. ETLs).
β’ Technical Skills:
β’ 3+ years of experience with API / REST web services and data sources.
β’ 3+ years of experience with creating stored procedures in SQL.
β’ Ability to intrepid, modify and write scripts and SQL queries.
β’ C#.NET
β’ Data ETL
β’ Develop ETL Interfaces.
If hired, you will enjoy the following ECLARO Benefits:
β’ 401k Retirement Savings Plan administered by Merrill Lynch
β’ Commuter Check Pretax Commuter Benefits
β’ Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO
If interested, you may contact:
Ivy EspaΓ±ola
ivy.espanola@eclaro.com
201-942-3003
Ivy EspaΓ±ola | LinkedIn
Equal Opportunity Employer: ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.
Job Number: 25-05281
Want to be part of the Energy Industry? ECLARO is looking for a Senior Systems Developer for our client in New York, NY.
ECLARO's client operates one of the world's largest energy delivery systems, constantly at the forefront of innovations in developing technology. If youβre up to the challenge, then take a chance at this rewarding opportunity!
Position Overview:
β’ The IT Business Systems Delivery (BSD) Customer Engagement department supports, manages and implements a portfolio of IT system capital initiatives with our Energy Management business partners. This IT team supports each initiative from conception to implementation and provides the necessary IT support required to either enhance existing systems, create or enhance interfaces and or design, develop, test and implement new applications.
β’ The Customer Engagement Capital Portfolio Team is looking for a senior backend developer with strong communications skills, to work with our existing IT delivery team to design, document, develop, test and implement key functional enhancements based on business requirements from our product owners and regulators.
β’ The ideal consultant has strong communication and problem-solving skills, can help foster relationships, facilitate and coordinate standard project operations and support and drive excellence.
Responsibilities:
β’ Develop data transformations using C# with inputs / outputs to JSON, XML, CSV, and fixed-width.
β’ Designing and developing C# APIs: Create APIs or use third-party APIs to manage data between back end systems.
β’ Creating and consuming C# API calls with JSON, and XML formatted payloads.
β’ Creation and execution of C# based batch processes.
β’ SQL Programming, DDL and DML including creation of complex MS SQL Stored Procedures.
β’ Designing, developing, and maintaining C# console applications.
β’ Itron Temetra (System Integration) is a big plus.
β’ Enterprise use of GitHub (e.g. Pull Requests).
β’ Technical writing, producing technical specifications, which include data mapping (e.g. ETLs).
β’ Testing and fixing bugs or other coding issues: Responsible for routine testing and debugging in back-end processes.
β’ Stay current with technological developments and trends in the fields.
β’ Collaborating with cross-functional teams: will work with other team members such as UX designers, business analysts, and project managers, to ensure the project meets the desired goals.
β’ Implementing security and data protection solutions: will ensure the secure handling of sensitive information and implement necessary security measures. Comply to corporate best practices.
β’ Documenting development processes, including commenting code and keeping user manuals up-to-date: This helps future developers understand the project history and the reasoning behind certain coding decisions.
β’ Design, develop and modify process to deploy code from one environment to another.
β’ Execute, plan, document and coordinate code deployment and system cutover to production.
Required Skills:
β’ All below require senior level proficiency:
β’ Creation and consuming API calls using CSharp with JSON, and XML formatted payloads.
β’ Deriving CSharp data transformations with inputs / outputs to JSON, XML, CSV, and fixed-width.
β’ Creation and execution of C# based batch processes.
β’ SQL Programming, DDL and DML including creation of complex MS SQL Stored Procedures.
β’ Understanding of MS SQL Server Architecture.
β’ Itron Temetra (System Integration) is a big plus.
β’ Enterprise use of GitHub (e.g. Pull Requests).
β’ Technical writing producing technical specifications, which cover data mapping (e.g. ETLs).
β’ Technical Skills:
β’ 3+ years of experience with API / REST web services and data sources.
β’ 3+ years of experience with creating stored procedures in SQL.
β’ Ability to intrepid, modify and write scripts and SQL queries.
β’ C#.NET
β’ Data ETL
β’ Develop ETL Interfaces.
If hired, you will enjoy the following ECLARO Benefits:
β’ 401k Retirement Savings Plan administered by Merrill Lynch
β’ Commuter Check Pretax Commuter Benefits
β’ Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO
If interested, you may contact:
Ivy EspaΓ±ola
ivy.espanola@eclaro.com
201-942-3003
Ivy EspaΓ±ola | LinkedIn
Equal Opportunity Employer: ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.